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Can someone please solve Q7 part 4 and 5.
http://www.xtremepapers.me/CIE/Internat ... _qp_62.pdf
http://www.xtremepapers.me/CIE/Internat ... _qp_62.pdf
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P is permutation where arrangement is important (ordering is important). Usually found when you are placing people in a row or whichever situation requires ordermickysharif said:God I have no idea what "9P3" is, I don't think I have ever even done that on a calculator yet.. can someone please explain the difference between 9P3 and 9C3, because It think im going to do really really poorly in the exam 2morrow.
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